QuakeIndex

Earthquake · reviewed by a seismologist

M 2.0md

Earthquake near Clearlake, CA

No earthquake was likely felt in Clearlake in the 24 hours to 10:21 am PST (18:21 UTC). The last one was M 2.6, 22 km (14 mi) SSW, at 4:44 pm PST on 8 November 2026, estimated intensity II (weak) in town. Every earthquake near Clearlake

This page: a magnitude 2.0 earthquake was recorded 8 km (5 mi) north-northeast of Clearlake, CA, at 9:51 am PST on 15 November 2016 (17:51 UTC), less than 1 km deep.

USGS: Northern California

9:51 am PST, Nov 15, 2016 · · -0.9 km deep · released about 29 lb of TNT

10 km30 km60 km120 km N Lake County 16 kmColusa County 35 kmNapa County 62 kmSonoma County 63 kmGlenn County 66 kmYolo County 71 kmSutter County 77 kmMendocino County 86 kmSolano County 101 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
9:51 am PST on 15 November 2016 ()
Where
8 km (5 mi) north-northeast of Clearlake, CA · earthquakes near Clearlake
Magnitude
M 2.0 (md)
Depth
-0.9 km below the surface
Felt
no reports yet
Nearest
Lake County, 16 km NW
Nearest mapped fault
Bartlett Springs fault system, 5 km from its surface trace — near is not the same as on
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 3560 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth, people at rest would likely notice it out to about 16 km (10 mi) from the epicentre. In Clearlake, 8 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Likely felt in: Clearlake 8 km, intensity II. Estimated for each town centre; each link is that town's own record.

How big was it?

This earthquake released about 29 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 520,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 370,000× the energy of this one
  3. Around the size people start to feel M 3.0 33× the energy of this one
  4. This earthquake M 2.0 about 29 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

The largest earthquake within 50 km since 2016 was M 5.1 on 2016-08-10 — about 45,000 times the energy of this one.

Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:

  1. 5.2 6 km ESE of Talmage, California · 45 km WNW of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 39.0232, -122.5907. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Lake County, CA 16 km (10 mi) NW earthquakes near Lake County
Colusa County, CA 35 km (22 mi) ENE earthquakes near Colusa County
Napa County, CA 62 km (38 mi) SSE earthquakes near Napa County
Sonoma County, CA 63 km (39 mi) SSW earthquakes near Sonoma County
Glenn County, CA 66 km (41 mi) NNE earthquakes near Glenn County
Yolo County, CA 71 km (44 mi) ESE earthquakes near Yolo County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

60 earthquakes have been recorded within 50 km since this one.

  1. 2.0 10 km W of Cobb, California
  2. 2.0 3 km ESE of Hopland, California
  3. 1.5 9 km WNW of Cobb, California
  4. 2.4 7 km NNE of Hopland, California
  5. 2.4 7 km NNE of Hopland, California
  6. 2.1 19 km NNE of Upper Lake, California
  7. 1.7 21 km NNE of Upper Lake, California
  8. 1.7 10 km WNW of Cobb, California
  9. 1.5 7 km WSW of Cobb, California
  10. 1.9 6 km S of Cobb, California
  11. 3.1 20 km NNE of Upper Lake, California
  12. 1.6 11 km W of Cobb, California
  13. 1.7 10 km W of Cobb, California
  14. 1.9 7 km NNE of Hopland, California
  15. 2.0 5 km SSW of Cobb, California

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.